First right answer gets brain
2 answers:
The Answer would be A because the 3rd quadrant requires all points, or in this case, vertex coordinates to be negative (-x,-y). A is the only answer that has all vertex coordinates (-x,-y).
The diagram shows A's coordinates plotted out. You can confirm that the original and new, translated shape are congruent and in the 3rd quadrant.
The diagram shows A's coordinates plotted out. You can confirm that the original and new, translated shape are congruent and in the 3rd quadrant.
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Answer:
The proportion of students whose height are lower than Darnell's height is 71.57%
Step-by-step explanation:
The complete question is:
A set of middle school student heights are normally distributed with a mean of 150 centimeters and a standard deviation of 20 centimeters. Darnel is a middle school student with a height of 161.4cm.
What proportion of proportion of students height are lower than Darnell's height.
Answer:
We first calculate the z-score corresponding to Darnell's height using:
We substitute x=161.4 , , and
to get:
From the normal distribution table, we read 0.5 under 7.
The corresponding area is 0.7157
Therefore the proportion of students whose height are lower than Darnell's height is 71.57%